Describe the relationships between induction, determination, and differentiation
What will be an ideal response?
ANSWER: Induction is when a group of cells causes another group of cells to follow a certain
developmental pathway. Induction leads to determination, which is the process that
establishes a cell’s developmental fate to become a particular cell type. Once a cell is
determined, it differentiates to become that particular cell type, establishing a cell-specific
pattern.
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The common phrase "Humans evolved from chimpanzees" really means:
A. that there was a population of chimpanzees that had mutations that made them human. B. that humans and chimpanzees share a common ancestor. C. that chimpanzees are the next group that will turn into humans. D. that chimpanzees are bipedal.
An earthworm detects sound
a. through specialized tympanic membranes located near the head. b. through a thinned region of the exoskeleton. c. through general mechanoreceptors on its skin. d. by using a specialized organ that measures the frequency of vibration of the surrounding dirt particles. e. through a series of mechanoreceptors arranged in a lateral line.
Because of the high pressure and cold temperatures, few species of organisms survive in the deep benthic zone of the ocean
Indicate whether the statement is true or false
What is a function of cell division?
A) to turn skin cells into hair cells B) to allow mature leaves to increase in size C) to keep cell size small as multicellular organisms grow D) to allow cell size to increase to its maximum